var config={
	"key": "city",
	"tips": "请选择城市",
	"field": [
		"city"
	],
	"label": "城市",
	"event_key": "city_list",
	"show_label": 1,
	"component_type": "mi-select",
	"default_select_index":0 //默认选中条数的下标
}

var data= {
	"id": "city_list",
	"api": {
		"url": "sql/query-all?_sc=city_list",
		"params": [
			{
				"key": "parent_id",
				"field": "province",
				"data_type": "string"
			}
		],
		"page_enable": 0
	},
	"source_type": "server"
}